Interior & Exterior Angles of Polygons PRACTICE

The sum of the interior angles of a polygon is 1620 degrees. How many sides does the polygon have?

11 sides

Five angles of a hexagon measures 119, 129, 104, 139, and 95 degrees. What is the measure of the sixth angle?

134 degrees

What is the measure of each interior angle of a regular octagon?

135 degrees

The sum of the interior angles of a polygon is 3960 degrees. How many sides does the polygon have?

24 sides

What is the sum of the measures of the exterior angles of a nonagon?

360 degrees

What is the measure of each interior angle of a regular 20-gon?

162 degrees

What is the measure of each exterior angle of a 20-gon?

18 degrees

What is the sum of the measures of the interior angles of a 27-gon?

4500 degrees

What is the sum of the measures of the interior angles of a pentagon?

540 degrees

If the exterior angles of a regular polygon each measure 45 degrees, how many sides does the polygon have?

8 sides